Ck3 Lan Multiplayer (2026)

CK3 is CPU-bound. The host computer (the one running the save file) needs a strong single-core performance. Intel i7/i9 or AMD Ryzen 7/9 (5000 series or newer) is ideal.

LAN reduces the "desync" errors that plague the Paradox engine over long distances. However, players still report that CK3's performance is heavily CPU-dependent rather than network-dependent—so make sure everyone is playing on a decent rig to avoid late-game lag. The UI Hurdle: ck3 lan multiplayer